Car-truck.



W. E. WOODARD.

GAR TRUCK.

APPLIUATION FILED JUNE 5, 1908.

Patented Apr. 20, 1909.

INVENTOR WILLIAM E.

WOODARD, or scn'fENEcTADY, new YORK, Ass'renort TO'AMERIGAN Locoiio'rrvn COMPANY, OF NEW, YORK, N. Y., A CORPORATION OF NEW clan-TRUCK,

To all whom it may concern:

'Be it known that 1, WILLIAM E. W001)- ARD, of Schenectady, in the county of Schenectady and State of New. York, have invented a certain new and useful Improve ment in Oar-Trucks, of which improvement the following is a s ecification.

My invention re ates to car trucksof the general class or type in which the weight applied to the truck is supported thereon by a bolster which has thecapacity of lateral as well as vertical movement, and is suspended by swing hangers from the relatively fixed members of the truck frame;

The object of my invention is to provide means, of simple and inexpensive construction and ready applicability in car trucks of the constructions known and approved in present practice, whereby the angle of the swing hangers and the degree of lateral movement of the bolster may be varied and adjusted and the levels of the spring plank and bolster be varied as desired.

The improvement claimed is hereinafterfully set forth.

- In the accompanying drawings: Figure 1 is a side view, partly in vertical longitudinal section on the line a a1 of-Fig. 2, of a car truck,

" illustrating an application of my invention;

Fig. 2, a transverse section through the same,- on the line b b of Fig. 2; Fig. 3,. a side view, partly in section, of one ofthe swing hangers and its connections, and; Fig. 4,. an end VIE-W partly in section, of a' pair of bolster springs, showing also a pair of swing hangers and connections. v I

My invention is herein exemplified as applied in a four wheel car truck, the frame of which comprises two side members, 1, and transoms, 2, connecting the side members on o posite sides of the. central transverse plane oi the truck. The side frames are rovided with pedestals, 3, in whichare fitte the axle boxes, 4, of a air of axles, 5, on which are secured the wieels, 6. The weight of the car carried by the truck is su ported thereon by a swing or lateral motion olster, 7, which is supported, through "the intermediation of pairs ofbolster springs, 8, adjacent to itsends, on a spring plank, 9, suspended from the transoms, 2, of the truck frame, by pairs of swing hangers, 10, the upper ends of which are con ledv to upper swin hanger pivots, ll'fixe on the transoms, t e lower ends of which swing h'angers are, in the construc- Specification of Letters Patent. I Application filed June 5,1908. Serial No. 436,772;

Patented April 20, 1909.

' tions heretofore known and used, coupled to kiwelg spring hanger pivots on. the spring an v In the practice of my invention, a swing hanger bearing, 12, having a plurality of segomrnn sTArEs PATE oFrro-E:

mental recesses, 12*, on its lower sides, is securedto the spring plank, 9, at each of its ends, saidswin hanger bearings also serving as seats for the ower members of the pairs of bolster springs, 8. The spring hanger seats being permanently fixed to the spring plank,

.perform their functions in the same manner as if integral therewith, as they might be made'if desired, but, for convenience and economy of construction they are preferably made separate pieces and riveted or bolted to the spring plank. Vertical slots, 10*, are formed in the swing hangers near their lower ends, and a cross bar or gib, 13, the upper edge of which is curved segmentally, in substantial correspondence with the curvature of the recesses, 12*, of the soring hanger bearings, and which is provided with downwardly turned end lips or projections, 13 to prevent lateral dis lacement of the swing hangers, is fitted in t e slots of each air of swing hangers, 10, and interposed etween the same and one of the segmental recesses, 12, of the adjacent swing hanger bearing, the curved upper edge of the gibabutting against said recess.

As shown in Fig. 4, the slots, 10*, of the swing hangers, are of greater depth than the gibs, 13, thereby leaving open spaces above the tops of the gibs and permitting the substitution of gibs of diii'erent depth when it is desired to vary the vertical relation of the hangers and spring plank.

It will be seen that by locating the i bs, 13, in one or another of the recesses i)? the swing hanger bearings, the vertical angle of the swinghangers may be varied as desired and the resistance of the bolster to lateral motion be correspondingly increased or diminished. This variation is effected with- "out any perceptible change of the level of the spring plank. Vertical adjustment of the sprin plank and bolster may also be effecte by using ibs of greater or less depth as desired, or by nsertin one or more liners between the spring p ank and the swing hanger bearing.

I claim as my invention and desire to secure by Letters Patent:

1, In a car truck, the combination of a truck frame, a spring plank, swing hangers truck frame, a swing or lateral motion bolster, swing hangers by which said bolster is bfy,. which said spring plank is suspended V from the frame, a swing or lateral motion bolster which is spring supported on the 4 spring plank, and means for varying and adhangers relatively to the frame, without per plank is prov ided for.

suspended from the frame, and means for varying and adjusting the angle or inclination of the swing hangers relatively to the frame, without perceptible change of the vertical relation of the members.

2. in a car truck, the combination of a truck frame, a spring plank, swing hangers 3usting the angle or inclination of the swing oeptible change of the vertical relation of the bolster and spring plank. v

3. In a car truck, the combination of a 4. In a car truck, the combination of a truck frame, a spring plank, swing hangers pivotally supported on the frame at their upper ends and having vertical slots adja cent to their lower ends, gibs, of less depth than the vertical slots, said gibs passing through and bearing 'on the lower ends of said slots and on the lower side of the spring plank, and a swing or lateral motion bolster which is spring supported on the spring plank.

5. In a car truck, the combination of a truck frame, a spring plank, swing hangers pivotally supported on the frame at their upper ends and having vertical slots adjacent to their lower ends, a swing hanger bearing having a series of segmental recesses on its .7

-lower side and fixed to the spring plank,

gibs passing through and bearing on the lower ends of said slots and on a recess of the swing hanger bearing, and a swing or lateral motion bolster which is spring supported on the spring plank.

WILLIAM E. OODARD.

WVitnesses:

CnAs. J. Rooms, V. G. SWEET. 

